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Eric Lippert wrote:[^]:

C# enforces the no-fall-through rule in every switch section, including the last one. This is so that switch sections can be re-ordered arbitrarily, possibly by mechanical tools, without introducing semantic changes in the program.

C# enforces the no-fall-through rule by requiring that the end point of every switch section be unreachable. It is not necessary for a switch section to end in a break. It can end in a break, return, goto, continue, throw, or a detectable infinite loop:

Richard Deeming wrote:

detectable infinite loop

case 1,
     2,
     3:
   ... code
   break;
case 4:
   ... code
   break;

case 1,
     2,
     3:
   {
      ... code
      break;
   }
case 4:
   {
   ... code
   break;
   }

OriginalGriff wrote:

Or even:

Pascal

case 1,
     2,
     3:
   {
      ... code
      break;
   }
case 4:
   {
      ... code
      break;
   }

trønderen wrote:

C is called a machine independent assembler.

int method ( int integer )
    {

    return ( 42 );

    }

int method ( string trigger )
    {

    return ( method ( Int32.Parse ( trigger ) ) );

    }